df <- data.frame( id = c(rep("Rodney",5), rep("Sarah",5)),
Data = rnorm( 10, 42, 42),
Longitude = rnorm(10, -78, 1 ),
Latitude = rnorm(10, 37, 1) )
df id Data Longitude Latitude
1 Rodney 22.937889 -79.41838 36.09853
2 Rodney 7.707515 -78.13063 35.88361
3 Rodney 51.701901 -76.59887 36.81712
4 Rodney 27.875812 -78.48248 36.35113
5 Rodney -15.005974 -78.88329 35.67284
6 Sarah -3.620029 -78.90505 38.85388
7 Sarah 11.084854 -78.68379 36.68990
8 Sarah 45.467802 -79.02128 38.24296
9 Sarah -11.474493 -77.57469 37.70191
10 Sarah 11.441565 -75.74775 38.57646